<nz-layout>
  <nz-affix>
  <nz-header>
    <h2>旅馆管理系统</h2>
  </nz-header>
  </nz-affix>
  <nz-layout>
    <nz-affix nzOffsetTop="70">
    <nz-sider><app-sider></app-sider></nz-sider>
    </nz-affix>
    <nz-layout>
      <nz-content class="content"><nz-content><router-outlet></router-outlet></nz-content></nz-content>
      <nz-footer>
        @2019 旅馆管理系统
      </nz-footer>
    </nz-layout>
  </nz-layout>
</nz-layout>

